Home / 22,676.68-31,291.67-12,603.92

Finding the Fourth Proportional to 22,676.68, 31,291.67 and 12,603.92

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Solution

The fourth proportional to 22,676.68, 31,291.67 and 12,603.92 is: 17,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,676.68 : 31,291.67 = 12,603.92 : x
  2. Step 2: Convert to fraction form
    22,676.68/31,291.67 = 12,603.92/x
  3. Step 3: Cross multiply
    22,676.68x = 31,291.67 × 12,603.92
  4. Step 4: Simplify right side
    22,676.68x = 394,397,642.33
  5. Step 5: Solve for x
    x = 394,397,642.33/22,676.68
  6. Step 6: Final answer
    x = 17,392.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.